Home / 74,305.49-102,516.57-42,451.83

Finding the Fourth Proportional to 74,305.49, 102,516.57 and 42,451.83

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Solution

The fourth proportional to 74,305.49, 102,516.57 and 42,451.83 is: 58,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,305.49 : 102,516.57 = 42,451.83 : x
  2. Step 2: Convert to fraction form
    74,305.49/102,516.57 = 42,451.83/x
  3. Step 3: Cross multiply
    74,305.49x = 102,516.57 × 42,451.83
  4. Step 4: Simplify right side
    74,305.49x = 4,352,016,001.82
  5. Step 5: Solve for x
    x = 4,352,016,001.82/74,305.49
  6. Step 6: Final answer
    x = 58,569.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.